Naturally Ventilated Cellular
A simple building, often (but not always)
relatively small and sometimes in converted residential
accommodation.
Typical size ranges from 100 m2 to 3000 m2.
Naturally Ventilated Open-Plan
Largely open-plan but with some cellular
offices and special areas.
Typical size ranges from 500 m2 to 4000 m2.
Air-Conditioned, Standard
Largely purpose-built and often
speculatively developed.
Typical size ranges from 2000 m2 to 8000 m2.
Air-Conditioned, Prestige
A national or regional head office, or
technical or administrative centre.
Typical size ranges from 4000 m2 to 20 000 m2.